本规程规定了低压电力和控制电缆槽（TC型）和金属包层（MC型）电缆的要求。本规程描述了绝缘铜电缆的制造、检查、测试和装运的最低技术要求。本规程涵盖低压多导体电力和控制电缆槽和金属包层电缆。

This Practice provides requirements for low voltage power and control tray cable (Type TC) and metal-clad (Type MC) cable. This Practice describes the minimum technical requirements for fabrication, inspection, testing, and shipping of insulated copper cable. This Practice covers low voltage multiple conductor power and control tray cable and metal-clad cable.